i looked at the canton site...
looks like it is the same.
good news!
there is a different windage tray for the 5.4, or one that fits both, so hopefully it has the one that fits both...
the signature is a little premature, I've been running with the vortech for awhile, but the shm shortblock/blower cams/heads/headers are in the rocess of being assembled. the trans will be the next thing to go, i'm sure, though i'm only pushing 6 lb of boost (pre-mods).